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1 /* g_bigmap.c
2 *
3 * Micropolis, Unix Version. This game was released for the Unix platform
4 * in or about 1990 and has been modified for inclusion in the One Laptop
5 * Per Child program. Copyright (C) 1989 - 2007 Electronic Arts Inc. If
6 * you need assistance with this program, you may contact:
7 * http://wiki.laptop.org/go/Micropolis or email micropolis@laptop.org.
8 *
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or (at
12 * your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details. You should have received a
18 * copy of the GNU General Public License along with this program. If
19 * not, see <http://www.gnu.org/licenses/>.
20 *
21 * ADDITIONAL TERMS per GNU GPL Section 7
22 *
23 * No trademark or publicity rights are granted. This license does NOT
24 * give you any right, title or interest in the trademark SimCity or any
25 * other Electronic Arts trademark. You may not distribute any
26 * modification of this program using the trademark SimCity or claim any
27 * affliation or association with Electronic Arts Inc. or its employees.
28 *
29 * Any propagation or conveyance of this program must include this
30 * copyright notice and these terms.
31 *
32 * If you convey this program (or any modifications of it) and assume
33 * contractual liability for the program to recipients of it, you agree
34 * to indemnify Electronic Arts for any liability that those contractual
35 * assumptions impose on Electronic Arts.
36 *
37 * You may not misrepresent the origins of this program; modified
38 * versions of the program must be marked as such and not identified as
39 * the original program.
40 *
41 * This disclaimer supplements the one included in the General Public
42 * License. TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS
43 * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY
44 * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK. THE ENTIRE RISK OF
45 * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU. ELECTRONIC ARTS
46 * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES,
47 * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY,
48 * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY
49 * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING,
50 * USAGE, OR TRADE PRACTICE. ELECTRONIC ARTS DOES NOT WARRANT AGAINST
51 * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL
52 * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE
53 * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE
54 * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE
55 * CORRECTED. NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR
56 * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY. SOME
57 * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED
58 * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A
59 * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY
60 * NOT APPLY TO YOU.
61 */
62 #include "sim.h"
63
64
65 int dynamicFilter(int c, int r);
66
67 void
68 drawBeegMaps()
69 {
70 sim_update_editors();
71 }
72
73
74 void
75 MemDrawBeegMapRect(SimView *view, int x, int y, int w, int h)
76 {
77 int lineBytes = view->line_bytes;
78 int pixelBytes = view->pixel_bytes;
79 QUAD ii, mm;
80 unsigned short *map;
81 unsigned short tile;
82 unsigned char blink = (flagBlink <= 0), *bt = view->bigtiles;
83 short col, row;
84 short **have, *ha;
85
86 if (x < view->tile_x) {
87 if ((w -= (view->tile_x - x)) <= 0)
88 return;
89 x = view->tile_x;
90 }
91 if (y < view->tile_y) {
92 if ((h -= (view->tile_y - y)) <= 0)
93 return;
94 y = view->tile_y;
95 }
96 if ((x + w) > (view->tile_x + view->tile_width)) {
97 if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
98 return;
99 }
100 if ((y + h) > (view->tile_y + view->tile_height)) {
101 if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
102 return;
103 }
104
105 if (view->x->color) {
106 register unsigned QUAD *image, *mem;
107
108 image = (unsigned QUAD *)view->data;
109 ii = ((lineBytes * h * 16) - 16) / sizeof(unsigned QUAD);
110 map = (unsigned short *)&Map[x][y];
111 mm = WORLD_Y - h;
112 have = view->tiles;
113
114 /*
115 * Huge Berserk Rebel Warthog
116 */
117
118 for (col = 0; col < w; col++) {
119 ha = &have[col][0];
120 image = (unsigned QUAD *)(view->data + (col * 16 * pixelBytes));
121 for (row = 0; row < h; row++, ha++) {
122 tile = *(map++);
123 if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
124
125 /* Blink lightning bolt in unpowered zone center */
126 if (blink && (tile & ZONEBIT) && !(tile & PWRBIT)) {
127 tile = LIGHTNINGBOLT;
128 } else {
129 tile &= LOMASK;
130 } // if
131
132 if (
133 (tile > 63) &&
134 (view->dynamic_filter != 0) &&
135 (dynamicFilter(col + x, row + y) == 0)
136 ) {
137 tile = 0;
138 } // if
139
140 /* XXX */
141 if (tile == *ha) {
142 image = (unsigned QUAD *)(((unsigned char *)image) +
143 (lineBytes * 16));
144 } else {
145 *ha = tile;
146 mem = (unsigned QUAD *)&(bt[tile * 256 * pixelBytes]);
147
148 /* XXX: handle depth for big tiles */
149 #if 1
150 /* Very un-rolled loop. */
151
152 #define ROW1_8(n) \
153 image[0] = mem[0+n]; \
154 image[1] = mem[1+n]; \
155 image[2] = mem[2+n]; \
156 image[3] = mem[3+n]; \
157 image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);
158
159 #define ROW2_8(n) ROW1_8(n) ROW1_8(n+4)
160 #define ROW4_8(n) ROW2_8(n) ROW2_8(n+8)
161 #define ROW8_8(n) ROW4_8(n) ROW4_8(n+16)
162 #define ROW16_8() ROW8_8(0) ROW8_8(32)
163
164 #define ROW1_16(n) \
165 memcpy((char *)image, (char *)mem + (2 * 16 * (n)), 2 * 16); \
166 image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);
167
168 #define ROW2_16(n) ROW1_16(n) ROW1_16(n+1)
169 #define ROW4_16(n) ROW2_16(n) ROW2_16(n+2)
170 #define ROW8_16(n) ROW4_16(n) ROW4_16(n+4)
171 #define ROW16_16() ROW8_16(0) ROW8_16(8)
172
173 #define ROW1_32(n) \
174 memcpy((char *)image, (char *)mem + (4 * 16 * (n)), 4 * 16); \
175 image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);
176
177 #define ROW2_32(n) ROW1_32(n) ROW1_32(n+1)
178 #define ROW4_32(n) ROW2_32(n) ROW2_32(n+2)
179 #define ROW8_32(n) ROW4_32(n) ROW4_32(n+4)
180 #define ROW16_32() ROW8_32(0) ROW8_32(8)
181
182 switch (view->x->depth) {
183
184 case 8:
185 ROW16_8();
186 break;
187
188 case 15:
189 case 16:
190 ROW16_16();
191 break;
192
193 case 24:
194 case 32:
195 ROW16_32();
196 break;
197
198 default:
199 /* XXX: handle different depths */
200 break;
201
202 } // switch
203
204 #else
205 /* Not so un-rolled loop. */
206
207 { int i;
208 for (i = 16; i > 0; i--) {
209 image[0] = mem[0]; image[1] = mem[1];
210 image[2] = mem[2]; image[3] = mem[3];
211 image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);
212 mem += 4;
213 }
214 } // scope
215 #endif
216
217 } // if
218
219 } // for row
220 image -= ii;
221 map += mm;
222 } // for col
223 } else {
224 register unsigned short *image, *mem;
225
226 image = (unsigned short *)view->data;
227 ii = ((lineBytes * h * 16) - 2) / sizeof(unsigned short);
228 map = (unsigned short *)&Map[x][y];
229 mm = WORLD_Y - h;
230 have = view->tiles;
231
232 for (col = 0; col < w; col++) {
233 ha = &have[col][0];
234 image = (unsigned short *)(view->data + (col * 2));
235 for (row = 0; row < h; row++, ha++) {
236 tile = *(map++);
237 if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
238
239 /* Blink lightning bolt in unpowered zone center */
240 if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
241 tile = LIGHTNINGBOLT;
242 else
243 tile &= LOMASK;
244
245 if (tile == *ha) {
246 image = (unsigned short *)
247 (((unsigned char *)image) + (lineBytes * 16));
248 } else {
249 *ha = tile;
250 mem = (unsigned short *)&(bt[tile * 32]);
251
252 { char i;
253 for (i = 16; i > 0; i--) {
254 *image = *mem;
255 image = (unsigned short *)(((unsigned char *)image) + lineBytes);
256 mem++;
257 }
258 }
259 }
260 }
261 image -= ii;
262 map += mm;
263 }
264 }
265 }
266
267
268 void
269 WireDrawBeegMapRect(SimView *view, short x, short y, short w, short h)
270 {
271 unsigned short *map;
272 unsigned short tile;
273 unsigned char blink = (flagBlink <= 0);
274 short col, row;
275 QUAD mm;
276 short **have, *ha;
277
278 if (x < view->tile_x) {
279 if ((w -= (view->tile_x - x)) <= 0)
280 return;
281 x = view->tile_x;
282 }
283 if (y < view->tile_y) {
284 if ((h -= (view->tile_y - y)) <= 0)
285 return;
286 y = view->tile_y;
287 }
288 if ((x + w) > (view->tile_x + view->tile_width)) {
289 if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
290 return;
291 }
292 if ((y + h) > (view->tile_y + view->tile_height)) {
293 if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
294 return;
295 }
296
297 map = (unsigned short *)&Map[x][y];
298 mm = WORLD_Y - h;
299 have = view->tiles;
300
301 for (col = 0; col < w; col++) {
302 ha = &have[col][0];
303 for (row = 0; row < h; row++, ha++) {
304 tile = *(map++);
305 if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
306
307 /* Blink lightning bolt in unpowered zone center */
308 if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
309 tile = LIGHTNINGBOLT;
310 else
311 tile &= LOMASK;
312
313 if (tile != *ha) {
314 *ha = tile;
315 XCopyArea(view->x->dpy, view->x->big_tile_pixmap, view->pixmap,
316 view->x->gc, 0, tile * 16, 16, 16,
317 col * 16, row * 16);
318 }
319 }
320 map += mm;
321 }
322 }
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